/usr/include/kannel/gwlib/gw-rwlock.h is in kannel-dev 1.4.4-5.
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* The Kannel Software License, Version 1.0
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* "This product includes software developed by the
* Kannel Group (http://www.kannel.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
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*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Kannel Group. For more information on
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* Portions of this software are based upon software originally written at
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*/
/*
* gw-rwlock.h: Prototypes for Reader/Writer Lock.
*
* Alexander Malysh <amalysh@kannel.org>, initial version 2004
*/
#ifndef GW_RWLOCK_H
#define GW_RWLOCK_H
#include "gw-config.h"
#ifndef HAVE_PTHREAD_RWLOCK
#include "list.h"
#else
#include <pthread.h>
#endif
typedef struct {
#ifdef HAVE_PTHREAD_RWLOCK
pthread_rwlock_t rwlock;
#else
List *rwlock;
long writer;
#endif
int dynamic;
} RWLock;
RWLock *gw_rwlock_create(void);
void gw_rwlock_init_static(RWLock *lock);
void gw_rwlock_destroy(RWLock *lock);
int gw_rwlock_rdlock(RWLock *lock);
int gw_rwlock_unlock(RWLock *lock);
int gw_rwlock_wrlock(RWLock *lock);
#endif
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